CN106201147A - Touch base plate and display device - Google Patents
Touch base plate and display device Download PDFInfo
- Publication number
- CN106201147A CN106201147A CN201610595222.1A CN201610595222A CN106201147A CN 106201147 A CN106201147 A CN 106201147A CN 201610595222 A CN201610595222 A CN 201610595222A CN 106201147 A CN106201147 A CN 106201147A
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- Prior art keywords
- touch
- control
- base plate
- control unit
- layer
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04101—2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of touch base plate and display device, belongs to Display Technique field.The touch base plate of the present invention, including: substrate, it is arranged on suprabasil multiple display unit, is arranged on the protective layer above the layer of display unit place, touch base plate also includes: multiple touch control units and control unit；Touch control unit is arranged on above described protective layer；Wherein, each touch control unit is included on the described substrate direction, the first touch-control figure of being oppositely arranged and electrically connecting and the second touch-control figure, and the first touch-control figure and the second touch-control figure the most overlapping in suprabasil orthographic projection；The first touch-control figure place layer and the second touch-control figure in each touch control unit are provided with interlayer insulating film between layers；Control unit, for when there is touch-control, by the feedback signal analyzed in touch control unit on the first touch-control figure, determining touch point coordinate, and obtaining the pressure signal size on the second touch-control figure by analysis.
Description
Technical field
The invention belongs to Display Technique field, be specifically related to a kind of touch base plate and display device.
Background technology
Touch screen is because having the advantages such as ease for operation, intuitive and motility, it has also become personal mobile communication equipment is with comprehensive
Close information terminal, such as primary human's interactive meanses such as panel computer, smart mobile phone, and super notebook computers.Touch screen root
Electric resistance touch screen, capacitance touch screen, infrared touch panel and surface wave (SAW) touch screen etc. four can be divided into according to different touch-control principles
Plant main Types.Wherein, capacitance touch screen has the function of multi-point touch, and the response time is fast, service life length and transmitance relatively
Height, user's experience is superior, and simultaneously along with the progressively maturation of technique, yields is significantly improved, and capacitance plate price is day by day
Reduce, the most become the major technique that small-medium size information terminal touch-control is mutual.
But, in existing touch-control structure, major part is 2D structure, i.e. detects the coordinate in XY direction, to determine
The position of touch point, and for the vertical Z-direction coordinate with contact panel detection seldom, therefore, inventor provide one
Plant the contact panel that Z coordinate is detected simultaneously.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art, it is provided that one can realize 3D touch-control
Touch base plate and display device.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of touch base plate, including: substrate, it is arranged on substrate
On multiple display units, be arranged on the protective layer above the layer of described display unit place, described touch base plate also includes: multiple
Touch control unit and control unit；Described touch control unit is arranged on above described protective layer；Wherein,
The first touch-control that each described touch control unit is included on described substrate direction, is oppositely arranged and electrically connects
Figure and the second touch-control figure, and described first touch-control figure and described second touch-control figure are in suprabasil orthographic projection at least portion
Divide overlap；The first touch-control figure place layer and the second touch-control figure in each described touch control unit are provided with layer between layers
Between insulating barrier；
, for when there is touch-control, by analyzing the first touch-control figure described in described touch control unit in described control unit
On feedback signal, determine touch point coordinate, and obtain the pressure signal size on described second touch-control figure by analysis.
Preferably, the described first touch-control figure in each described touch control unit and described second touch-control figure are in substrate
On orthographic projection completely overlapped.
Preferably, the material of described first touch-control figure and described second touch-control figure is pressure drag material.
It may further be preferable that described pressure drag material include in constantan, nickel alumin(i)um alloy, card agate, Aludirome any
A kind of.
Preferably, described first touch-control figure and described second touch-control figure are helical form cabling or bow font is walked
Line.
It may further be preferable that described helical form cabling or described bow font cabling are arranged between display unit
Non-display area.
Preferably, described display unit is organic electroluminescence device.
It may further be preferable that be provided above encapsulated layer at described organic electroluminescence device place layer；Described encapsulation
Layer includes least one set thin film group；Every cluster film group includes along deviating from the inoranic membrane that described organic electroluminescence device direction is arranged
Layer and organic film；Wherein, described interlayer insulating film is the organic film in one of which thin film group, and described protective layer is this group
Inorganic film in thin film group.
Preferably, described display unit is pixel electrode.
Preferably, each described touch control unit also includes differential bridge；Wherein, described first touch-control figure and described
Two resistance that two touch-control figures are used separately as in described differential bridge.
Preferably, described touch base plate also includes that being successively set on described substrate deviates from the side of described display unit
Flexible member and support component.
Solving the technology of the present invention problem and be employed technical scheme comprise that a kind of display device, it includes above-mentioned touch-control base
Plate.
There is advantages that
Due in the touch base plate of the present invention, each touch control unit includes being oppositely arranged and in suprabasil projection at least
Partly overlapping first touch-control figure and the second touch-control figure, the material of both can use pressure drag material, therefore occur
During touch-control, the resistance of the first touch-control figure will diminish, and the resistance of the second touch-control figure arranged corresponding thereto will become big.
Also, it is understood that, form self-capacitance between the first touch-control figure and finger, touch-control, the first touch-control figure once occur
The signal of fed back to control unit will change, and control unit then can agree go out touch-control according to the mutation analysis of feedback signal
The position of point, i.e. XY coordinate, meanwhile the second touch-control figure is owing to being oppositely arranged with the first touch-control figure, at the first touch-control figure
When shape is pressed, pressure signal thereon also will change, and now control unit can be according to analyzing the second touch-control figure
On the change of pressure signal, namely determine Z coordinate, touch it can be seen that the touch base plate in the present invention can realize 3D
Control.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the touch base plate of embodiments of the invention 1；
Fig. 2 is a kind of structural representation of the touch base plate of embodiments of the invention 1；
Fig. 3 be embodiments of the invention 1 touch base plate in the structural representation of touch control unit；
Fig. 4 be embodiments of the invention 1 touch base plate in the preferred structure schematic diagram of touch control unit；
Fig. 5 be embodiments of the invention 1 touch base plate in the schematic diagram of differential bridge of touch control unit.
Wherein reference is: 1, substrate；2, organic electroluminescence device；3, protective layer；4, touch control unit；41, first
Touch-control figure；42, the second touch-control figure；5, interlayer insulating film；6, sealing coat；7, color film layer；8, thin film transistor (TFT)；9, elastic unit
Part；10, support component.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is described in further detail by formula.
Embodiment 1:
Shown in Fig. 1-4, the present embodiment provides a kind of touch base plate, and including substrate 1, arrange on the base 1 is multiple
Display unit, is arranged on the protective layer 3 above the layer of described display unit place, be arranged on above described protective layer 3 multiple touch
Control unit 4, and control unit；Wherein, each described touch control unit 4 is included on described substrate 1 direction, relatively sets
The first touch-control figure 41 and the second touch-control figure 42 put and electrically connect, and described first touch-control figure 41 and described second touch-control
Figure 42 orthographic projection on the base 1 is least partially overlapped；The first touch-control figure 41 place layer in each described touch control unit 4
Interlayer insulating film 5 it is provided with between layers with the second touch-control figure 42；Described control unit, for when there is touch-control, logical
Cross the feedback signal analyzed described in described touch control unit 4 on first touch-control figure 41, determine touch point coordinate, and by dividing
Analysis obtains the pressure signal size on described second touch-control figure 42.
Due in the touch base plate of the present embodiment, each touch control unit 4 includes being oppositely arranged and projection on the base 1
The first least partially overlapped touch-control figure 41 and the second touch-control figure 42, the material of both can use pressure drag material, because of
When there is touch-control in this, the resistance of the first touch-control figure 41 will diminish, and the second touch-control figure 42 arranged corresponding thereto
Resistance will become big.Also, it is understood that, form self-capacitance between the first touch-control figure 41 and finger, once occur to touch
Control, the signal of the first fed back to control unit of touch-control figure 41 will change, and control unit then can be agree according to feedback letter
Number mutation analysis go out the position of touch point, i.e. XY coordinate, meanwhile the second touch-control figure 42 due to the first touch-control figure
41 are oppositely arranged, and when the first touch-control figure 41 is pressed, pressure signal thereon also will change, now control unit
According to the change of the pressure signal analyzed on the second touch-control figure 42, namely Z coordinate can be determined, it can be seen that this reality
Execute the touch base plate in example and can realize 3D touch-control.
Wherein, in this touch base plate implemented, each touch control unit 4 also includes differential bridge, the first touch-control figure 41
Two resistance being used separately as in described differential bridge with the second touch-control figure 42.Concrete, as it is shown in figure 5, the first touch-control figure
Shape 41 is used as the first resistance R1, and the second touch-control figure 42 is used as the second resistance R2, both and the 3rd resistance R3 and the 4th resistance
R4 constitutes differential bridge, detects the pressure signal size on the second touch-control figure 42 now by Vtest, to determine Z
Coordinate.Vtest=Vin (R1/ (R1+R2)-R3/ (R3+R4)), wherein R3 with R4 is the accurate of the internal offer of control unit (IC)
Resistance.When not pressing, design R1/ (R1+R2)=R3/ (R3+R4), electric bridge is in poised state, when depressed effect
Time, the R1 R2 that diminishes becomes big, and differential bridge disequilibrium, Vtest value can draw Z coordinate value through the process of IC data.
Wherein, as shown in Figure 4, the described first touch-control figure 41 in preferred each described touch control unit 4 and described
The orthographic projection on the base 1 of two touch-control figures 42 is completely overlapped.Now, when when being pressed of touch base plate, be under pressure touches
First touch-control figure 41 of control unit 4 is compressed now resistance R1 and is diminished, with this first touch-control figure 41 be just oppositely arranged the
Two touch-control figures 42 are more obvious by tension force, therefore becoming apparent from of being elongated of second substrate, resistance R2 becomes big.Therefore environment is worked as
When temperature changes, R1 with R2 Tong Bu changes, and its ratio will not change, so the change of ambient temperature will not shadow
Ring the output to Vtest.
Wherein, the first touch-control figure 41 and the second touch-control figure 42 are pressure drag material, and concrete pressure drag material all includes health
Any one in copper, nickel alumin(i)um alloy, card agate, Aludirome, or other noble metal.
Wherein, in touch base plate, display unit is sitting in the viewing area of position i.e. touch base plate, certain touch base plate
Include the non-display area around display floater viewing area equally, as shown in Figure 3.As shown in Figure 4, the first touch-control in the present embodiment
Figure 41 (TX1～TX4) and the second touch-control figure 42 (TX1-c～TX4-c) are bow font cabling, and are arranged on non-display
(such as, the first touch-control figure and the second touch-control figure all can be fabricated to the bow word that entire area is about 4mm*4mm to district's setting
Shape cabling, certainly, concrete size specifically can set according to the size of touch base plate).Certainly, the first touch-control figure
41 and second touch-control figure 42 can also be all helical form cabling, be equally arranged in non-display area.Why use this
Planting cabling mode to be because, when finger is pressed on touch base plate, touch base plate can be by from different directions after producing deformation
Pulling force, but these power always can be decomposed into two mutually perpendicular component x, y；Based on this, the first touch-control figure will be answered
41 and second cablings on touch-control figure 42 are designed to experience the pattern of mutually perpendicular cabling；Such first touch-control figure
The cabling in the 41 and second y directions on touch-control figure 42 is used for the perception power from y direction, and x direction cabling is then used for perception
From the power in x direction, so can farthest collect pressure information.Certain first touch-control figure 41 and the second touch-control figure
Shape 42 can also be designed to other form, is such as designed to radial pattern, as long as pressure letter can be collected to greatest extent
Cease.
As preferred implementation a kind of in the present embodiment, as it is shown in figure 1, this touch base plate is organic electroluminescent two pole
Pipe substrate, namely above-mentioned display unit is organic electroluminescence device 2.Wherein, at described organic electroluminescence device 2 place
Layer is provided above encapsulated layer；Described encapsulated layer includes many cluster films group；Sealing coat 6 it is additionally provided with on many cluster films group；
Every cluster film group includes along deviating from inorganic film and the organic film that described organic electroluminescence device 2 direction is arranged；Wherein, institute
Stating interlayer insulating film 5 is the organic film in one of which thin film group, and described protective layer 3 is the inoranic membrane in this cluster film group
Layer.
Concrete, as it is shown in figure 1, include as a example by a cluster film group by organic electroluminescent LED substrate, wherein, second
Touch-control figure 42 between inorganic film and organic film, the first touch-control figure 41 between organic film and sealing coat 6,
Wherein, touch control unit 4 is preferably provided at barricade 21 position, thus does not interferes with aperture opening ratio.
As the second preferred implementation of the present embodiment, as in figure 2 it is shown, the touch base plate in the present embodiment can also
For the array base palte in display panels.Namely display unit includes the element such as pixel electrode and thin film transistor (TFT) 8.And this battle array
Row substrate is preferably COA substrate, and i.e. color film layer 7 is arranged on array base palte, and wherein, touch control unit 4 can be produced on pixel electricity
On pole, and protective layer 3 is set between pixel electrode and touch control unit 4.Touch control unit 4 is preferably provided at black matrix BM place
Position.
Touch base plate in the present embodiment is particularly well-suited in flexible display apparatus, therefore preferably touch base plate also includes
It is successively set on flexible member 9 and support component 10 that described substrate deviates from the side of described display unit, so that touch
The sensitivity of control substrate is higher.
To sum up, the touch base plate in the present embodiment, can determine that XY sits by the first touch-control figure 41 in touch control unit 4
Mark, to determine touch point position, can detect the pressure signal size variation on the second touch-control figure 42 simultaneously, so that it is determined that Z
Coordinate, therefore in the present embodiment, touch base plate can realize 3D touch-control.
Embodiment 2:
The present embodiment provides a kind of display device, and it includes touch base plate in embodiment 1.
Wherein, the display device of the present embodiment can be liquid crystal panel, oled panel, Electronic Paper, mobile phone, panel computer,
Any product with display function or the parts such as television set, display, notebook computer, DPF, navigator.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the exemplary enforcement that uses
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (12)
1. a touch base plate, including: substrate, it is arranged on suprabasil multiple display unit, is arranged on described display unit institute
Protective layer above layer, it is characterised in that described touch base plate also includes: multiple touch control units and control unit；Described tactile
Control unit is arranged on above described protective layer；Wherein,
The first touch-control figure that each described touch control unit is included on described substrate direction, is oppositely arranged and electrically connects
With the second touch-control figure, and described first touch-control figure and described second touch-control figure at least partly weigh in suprabasil orthographic projection
Folded；It is exhausted that the first touch-control figure place layer in each described touch control unit and the second touch-control figure are provided with interlayer between layers
Edge layer；
, for when there is touch-control, by the first touch-control figure described in the described touch control unit of analysis in described control unit
Feedback signal, determines touch point coordinate, and obtains the pressure signal size on described second touch-control figure by analysis.
Touch base plate the most according to claim 1, it is characterised in that described first touch-control in each described touch control unit
Figure and described second touch-control figure are completely overlapped in suprabasil orthographic projection.
Touch base plate the most according to claim 1, it is characterised in that described first touch-control figure and described second touch-control figure
The material of shape is pressure drag material.
Touch base plate the most according to claim 3, it is characterised in that described pressure drag material includes constantan, nickel alumin(i)um alloy, card
Any one in agate, Aludirome.
Touch base plate the most according to claim 1, it is characterised in that described first touch-control figure and described second touch-control figure
Shape is helical form cabling or bow font cabling.
Touch base plate the most according to claim 5, it is characterised in that described helical form cabling or described bow font cabling
The non-display area being arranged between display unit.
Touch base plate the most according to claim 1, it is characterised in that described display unit is organic electroluminescence device.
Touch base plate the most according to claim 7, it is characterised in that above the layer of described organic electroluminescence device place
It is provided with encapsulated layer；Described encapsulated layer includes least one set thin film group；Every cluster film group includes that edge deviates from described organic electroluminescence and sends out
The inorganic film of optical device direction setting and organic film；Wherein, having during described interlayer insulating film is one of which thin film group
Machine film layer, described protective layer is the inorganic film in this cluster film group.
Touch base plate the most according to claim 1, it is characterised in that described display unit is pixel electrode.
Touch base plate the most according to claim 1, it is characterised in that each described touch control unit also includes differential bridge；
Wherein, two resistance that described first touch-control figure and described second touch-control figure are used separately as in described differential bridge.
11. touch base plates according to claim 1, it is characterised in that also include that being successively set on described substrate deviates from institute
State the flexible member on the side of display unit and support component.
12. 1 kinds of display devices, it is characterised in that include the touch base plate described in any one in claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595222.1A CN106201147A (en) | 2016-07-26 | 2016-07-26 | Touch base plate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595222.1A CN106201147A (en) | 2016-07-26 | 2016-07-26 | Touch base plate and display device |
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| CN106201147A true CN106201147A (en) | 2016-12-07 |
Family
ID=57496468
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| CN201610595222.1A Pending CN106201147A (en) | 2016-07-26 | 2016-07-26 | Touch base plate and display device |
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| CN109669570A (en) * | 2018-12-06 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | A kind of display screen and electronic device |
| CN110323355A (en) * | 2019-04-25 | 2019-10-11 | 昆山工研院新型平板显示技术中心有限公司 | A kind of OLED display panel and OLED display |
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